.bb{
    border-bottom: 1px solid #ccc;
}
.bm(@len:.2rem){
    margin-bottom:@len;
}
.grey(@color:#cccccc){
    color:@color;
}
.grey2(@bgc:#cccccc){
    background-color: #ccc;
}

body{
    background-color: #f2f2f2;
    padding-bottom: 0rem;
}
// 微信登录界面 
.login-mb{
    width: 100%;
    height: 100vh;
    background-color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: center;
   .inner{
    width: 3.55rem;
    margin: 0 auto; 
    text-align: center;
    p{
        font-size: .24rem;
        color:#666666;
    }
    img{
        width: 1.82rem;
        height: .48rem;
        //为什么这个不能用text-align:center
        margin: 0 auto;
        .bm;
    }
    .form{
        input{
            width: 3.35rem;
        }
        input[type="submit"]{
            height: .49rem;
            color:#fff; 
            font-size: .16rem;
            .grey2; 
            .bb;
        }
        input[type="tel"],input[type="text"]{
            height: .4rem;
            background-color: #fff;
            font-size: .12rem;
            .grey;
            .bb;
            .bm;
        }
    }
   }
}


